Related Clues:

• Put on a happy face, as hard work is cut short
• Display of choppers
• Directive before "You're on 'Candid Camera'"
• Show off one's canines?
• *Four laps on a track, say
• Beam in sports venue back to front
• Beam with your face
• Gleeful look
• Graphic novel by Raina Telgemeier about a girl with braces
• What the ')' in :-) represents
• 'Say kimchi!'
• Smile (from ear to ear?)
• Emulate the Cheshire cat
• Old king at home? Smile
• Beam and grate left unfinished